| 1 | /* This file is part of the Linux Trace Toolkit viewer |
| 2 | * Copyright (C) 2005 Peter Ho |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License Version 2 as |
| 6 | * published by the Free Software Foundation; |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU General Public License |
| 14 | * along with this program; if not, write to the Free Software |
| 15 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
| 16 | * MA 02111-1307, USA. |
| 17 | */ |
| 18 | |
| 19 | |
| 20 | #include <math.h> |
| 21 | |
| 22 | #include <glib.h> |
| 23 | #include <gtk/gtk.h> |
| 24 | #include <gdk/gdk.h> |
| 25 | #include <stdio.h> |
| 26 | #include <stdlib.h> |
| 27 | #include <string.h> |
| 28 | #include <ltt/ltt.h> |
| 29 | #include <ltt/event.h> |
| 30 | #include <ltt/type.h> |
| 31 | #include <ltt/trace.h> |
| 32 | #include <ltt/facility.h> |
| 33 | #include <lttv/module.h> |
| 34 | #include <lttv/hook.h> |
| 35 | #include <lttv/tracecontext.h> |
| 36 | #include <lttv/state.h> |
| 37 | #include <lttv/filter.h> |
| 38 | #include <lttvwindow/lttvwindow.h> |
| 39 | #include <ltt/time.h> |
| 40 | |
| 41 | #include "hDiskPerformanceInsert.xpm" |
| 42 | |
| 43 | |
| 44 | #define g_info(format...) g_log (G_LOG_DOMAIN, G_LOG_LEVEL_INFO, format) |
| 45 | #define g_debug(format...) g_log (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, format) |
| 46 | #define TRACE_NUMBER 0 |
| 47 | #define NO_ITEMS 0 |
| 48 | |
| 49 | enum{ |
| 50 | DISKNAME_COLUMN, |
| 51 | BYTES_RD_COLUMN, |
| 52 | BYTES_RD_SEC_COLUMN, |
| 53 | NUM_RD_COLUMN, |
| 54 | BYTES_WR_COLUMN, |
| 55 | BYTES_WR_SEC_COLUMN, |
| 56 | NUM_WR_COLUMN, |
| 57 | N_COLUMNS |
| 58 | }; |
| 59 | |
| 60 | enum operation_t { |
| 61 | LTTV_READ_OPERATION = 1, |
| 62 | LTTV_WRITE_OPERATION |
| 63 | }; |
| 64 | |
| 65 | typedef struct _DiskPerformanceData { |
| 66 | |
| 67 | Tab * tab; |
| 68 | |
| 69 | LttvHooks * hooks_trace_after; |
| 70 | |
| 71 | LttvHooks * hooks_trace_before; |
| 72 | /* time window */ |
| 73 | TimeWindow time_window; |
| 74 | |
| 75 | GtkWidget * scroll_win; |
| 76 | |
| 77 | /* Model containing list data */ |
| 78 | GtkListStore *store_m; |
| 79 | |
| 80 | GtkWidget *hbox_v; |
| 81 | |
| 82 | /* Widget to display the data in a columned list */ |
| 83 | GtkWidget *tree_v; |
| 84 | |
| 85 | /* Selection handler */ |
| 86 | GtkTreeSelection *select_c; |
| 87 | |
| 88 | GArray *disk_array; |
| 89 | |
| 90 | LttvHooksById * event_by_id_hooks; |
| 91 | |
| 92 | } DiskPerformanceData; |
| 93 | |
| 94 | |
| 95 | typedef struct _lttv_block { |
| 96 | guint major_number; |
| 97 | guint minor_number; |
| 98 | guint size; |
| 99 | } lttv_block; |
| 100 | |
| 101 | typedef struct _lttv_total_block { |
| 102 | char diskname[10]; |
| 103 | guint64 total_bytes_read; |
| 104 | guint num_read_operations; |
| 105 | guint64 total_bytes_written; |
| 106 | guint num_write_operations; |
| 107 | |
| 108 | } lttv_total_block; |
| 109 | |
| 110 | GSList *g_disk_data_list = NULL ; |
| 111 | |
| 112 | |
| 113 | |
| 114 | /* facility */ |
| 115 | GQuark LTT_FACILITY_BLOCK; |
| 116 | |
| 117 | /* events */ |
| 118 | GQuark LTT_EVENT_BLOCK_READ; |
| 119 | GQuark LTT_EVENT_BLOCK_WRITE; |
| 120 | |
| 121 | static DiskPerformanceData *disk_performance_data(Tab *tab); |
| 122 | static void disk_destroy_walk(gpointer data, gpointer user_data); |
| 123 | static gboolean disk_show(void *hook_data, void *call_data); |
| 124 | static gboolean trace_header(void *hook_data, void *call_data); |
| 125 | static gboolean disk_update_time_window(void * hook_data, void * call_data); |
| 126 | static void request_event( DiskPerformanceData *disk_performance); |
| 127 | void gui_disperformance_free(DiskPerformanceData *event_viewer_data); |
| 128 | static void get_event_detail(LttEvent *e, lttv_block* disk_data); |
| 129 | static char * major_minor_to_diskname( lttv_block* disk_data); |
| 130 | static void sum_data(char* diskname, guint size, enum operation_t opt, GArray *disk_array); |
| 131 | static GtkWidget *disk_performance(Tab * tab); |
| 132 | |
| 133 | static gboolean block_read_callback(void *hook_data, void *call_data); |
| 134 | |
| 135 | static gboolean block_write_callback(void *hook_data, void *call_data); |
| 136 | |
| 137 | |
| 138 | static gboolean disk_show(void *hook_data, void *call_data){ |
| 139 | |
| 140 | guint i; |
| 141 | lttv_total_block element; |
| 142 | GtkTreeIter iter; |
| 143 | LttTime time_interval; |
| 144 | guint64 time_interval_64; |
| 145 | guint64 temp_variable; |
| 146 | guint64 bytes_read_per_sec, bytes_written_per_sec; |
| 147 | g_info(" diskperformance: disk_show() \n"); |
| 148 | DiskPerformanceData *disk_performance = (DiskPerformanceData *)hook_data; |
| 149 | GArray *disk_array = disk_performance->disk_array; |
| 150 | time_interval = ltt_time_sub(disk_performance->time_window.end_time, disk_performance->time_window.start_time); |
| 151 | |
| 152 | time_interval_64 = time_interval.tv_sec; |
| 153 | time_interval_64 *= NANOSECONDS_PER_SECOND; |
| 154 | time_interval_64 += time_interval.tv_nsec; |
| 155 | gtk_list_store_clear(disk_performance->store_m); |
| 156 | for(i = 0; i < disk_array->len; i++){ |
| 157 | |
| 158 | element = g_array_index(disk_array,lttv_total_block,i); |
| 159 | temp_variable = element.total_bytes_read * NANOSECONDS_PER_SECOND; |
| 160 | bytes_read_per_sec = (guint64) temp_variable / time_interval_64; |
| 161 | |
| 162 | temp_variable = element.total_bytes_written * NANOSECONDS_PER_SECOND; |
| 163 | bytes_written_per_sec = (guint64) temp_variable / time_interval_64; |
| 164 | |
| 165 | gtk_list_store_append (disk_performance->store_m, &iter); |
| 166 | gtk_list_store_set (disk_performance->store_m, &iter, |
| 167 | DISKNAME_COLUMN, element.diskname, |
| 168 | BYTES_RD_COLUMN, element.total_bytes_read, |
| 169 | BYTES_RD_SEC_COLUMN,bytes_read_per_sec, |
| 170 | NUM_RD_COLUMN, element.num_read_operations, |
| 171 | BYTES_WR_COLUMN, element.total_bytes_written, |
| 172 | BYTES_WR_SEC_COLUMN, bytes_written_per_sec, |
| 173 | NUM_WR_COLUMN, element.num_write_operations, |
| 174 | -1); |
| 175 | |
| 176 | } |
| 177 | if(disk_performance->disk_array->len) |
| 178 | g_array_remove_range (disk_performance->disk_array,0,disk_performance->disk_array->len); |
| 179 | return FALSE; |
| 180 | } |
| 181 | |
| 182 | static gboolean trace_header(void *hook_data, void *call_data){ |
| 183 | return FALSE; |
| 184 | } |
| 185 | |
| 186 | |
| 187 | static gboolean disk_update_time_window(void * hook_data, void * call_data){ |
| 188 | |
| 189 | DiskPerformanceData *disk_performance = (DiskPerformanceData *) hook_data; |
| 190 | const TimeWindowNotifyData *time_window_nofify_data = ((const TimeWindowNotifyData *)call_data); |
| 191 | disk_performance->time_window = *time_window_nofify_data->new_time_window; |
| 192 | Tab *tab = disk_performance->tab; |
| 193 | lttvwindow_events_request_remove_all(tab, disk_performance); |
| 194 | request_event( disk_performance); |
| 195 | |
| 196 | |
| 197 | return FALSE; |
| 198 | } |
| 199 | |
| 200 | void gui_disperformance_free(DiskPerformanceData *eventdata){ |
| 201 | Tab *tab = eventdata->tab; |
| 202 | g_info("disperformance.c : gui_disperformance_free, %p", eventdata); |
| 203 | g_info("%p, %p", eventdata, tab); |
| 204 | if(tab != NULL) |
| 205 | { |
| 206 | g_array_free (eventdata->disk_array, TRUE); |
| 207 | |
| 208 | lttvwindow_unregister_time_window_notify(tab, |
| 209 | disk_update_time_window, |
| 210 | eventdata); |
| 211 | |
| 212 | lttvwindow_events_request_remove_all(eventdata->tab, |
| 213 | eventdata); |
| 214 | g_disk_data_list = g_slist_remove(g_disk_data_list, eventdata); |
| 215 | } |
| 216 | g_free(eventdata); |
| 217 | g_info("disperformance.c : gui_disperformance_free end, %p", eventdata); |
| 218 | } |
| 219 | |
| 220 | |
| 221 | |
| 222 | |
| 223 | |
| 224 | |
| 225 | void disk_destructor_full(DiskPerformanceData *disk_data) |
| 226 | { |
| 227 | |
| 228 | if(GTK_IS_WIDGET(disk_data->hbox_v)) |
| 229 | gtk_widget_destroy(disk_data->hbox_v); |
| 230 | |
| 231 | } |
| 232 | |
| 233 | static void disk_destroy_walk(gpointer data, gpointer user_data) |
| 234 | { |
| 235 | g_info("Walk destroy GUI disk performance Viewer"); |
| 236 | disk_destructor_full((DiskPerformanceData*)data); |
| 237 | } |
| 238 | /** |
| 239 | * init function |
| 240 | * |
| 241 | * |
| 242 | * This is the entry point of the viewer. |
| 243 | * |
| 244 | */ |
| 245 | static void init() |
| 246 | { |
| 247 | |
| 248 | g_info("Init diskPerformance.c"); |
| 249 | |
| 250 | LTT_FACILITY_BLOCK = g_quark_from_string("block"); |
| 251 | LTT_EVENT_BLOCK_READ = g_quark_from_string("read"); |
| 252 | LTT_EVENT_BLOCK_WRITE = g_quark_from_string("write"); |
| 253 | |
| 254 | lttvwindow_register_constructor("diskperformance", |
| 255 | "/", |
| 256 | "Insert Disk Performance", |
| 257 | hDiskPerformanceInsert_xpm, |
| 258 | "Insert Disk Performance", |
| 259 | disk_performance); |
| 260 | } |
| 261 | |
| 262 | /** |
| 263 | * Constructor hook |
| 264 | * |
| 265 | */ |
| 266 | GtkWidget *disk_performance(Tab * tab) |
| 267 | { |
| 268 | |
| 269 | DiskPerformanceData* disk_data = disk_performance_data(tab); |
| 270 | if(disk_data) |
| 271 | return disk_data->hbox_v; |
| 272 | else |
| 273 | return NULL; |
| 274 | } |
| 275 | |
| 276 | /** |
| 277 | * This function initializes the Event Viewer functionnality through the |
| 278 | * GTK API. |
| 279 | */ |
| 280 | DiskPerformanceData *disk_performance_data(Tab *tab) |
| 281 | { |
| 282 | LttTime end; |
| 283 | GtkTreeViewColumn *column; |
| 284 | GtkCellRenderer *renderer; |
| 285 | DiskPerformanceData* disk_data = g_new(DiskPerformanceData,1) ; |
| 286 | |
| 287 | g_info("enter disk_performance_data \n"); |
| 288 | |
| 289 | disk_data->tab = tab; |
| 290 | disk_data->time_window = lttvwindow_get_time_window(tab); |
| 291 | |
| 292 | disk_data->disk_array = g_array_new(FALSE, FALSE, sizeof(lttv_total_block )); |
| 293 | |
| 294 | lttvwindow_register_time_window_notify(tab, |
| 295 | disk_update_time_window, |
| 296 | disk_data); |
| 297 | |
| 298 | disk_data->scroll_win = gtk_scrolled_window_new (NULL, NULL); |
| 299 | gtk_widget_show (disk_data->scroll_win); |
| 300 | gtk_scrolled_window_set_policy( |
| 301 | GTK_SCROLLED_WINDOW(disk_data->scroll_win), |
| 302 | GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC); |
| 303 | |
| 304 | /* Create a model for storing the data list */ |
| 305 | disk_data->store_m = gtk_list_store_new ( |
| 306 | N_COLUMNS, /* Total number of columns */ |
| 307 | G_TYPE_STRING, /* Diskname */ |
| 308 | G_TYPE_INT64, /* Bytes read */ |
| 309 | G_TYPE_INT64, /* Bytes read/sec */ |
| 310 | G_TYPE_INT, |
| 311 | G_TYPE_INT64, /* bytes written */ |
| 312 | G_TYPE_INT64, /* bytes written/sec */ |
| 313 | G_TYPE_INT |
| 314 | ); |
| 315 | |
| 316 | disk_data->tree_v = gtk_tree_view_new_with_model (GTK_TREE_MODEL (disk_data->store_m)); |
| 317 | |
| 318 | g_object_unref (G_OBJECT (disk_data->store_m)); |
| 319 | |
| 320 | renderer = gtk_cell_renderer_text_new (); |
| 321 | |
| 322 | column = gtk_tree_view_column_new_with_attributes ("DiskName", |
| 323 | renderer, |
| 324 | "text", DISKNAME_COLUMN, |
| 325 | NULL); |
| 326 | gtk_tree_view_column_set_alignment (column, 0.0); |
| 327 | gtk_tree_view_column_set_fixed_width (column, 45); |
| 328 | gtk_tree_view_append_column (GTK_TREE_VIEW (disk_data->tree_v), column); |
| 329 | |
| 330 | renderer = gtk_cell_renderer_text_new (); |
| 331 | column = gtk_tree_view_column_new_with_attributes ("BytesRead", |
| 332 | renderer, |
| 333 | "text", BYTES_RD_COLUMN, |
| 334 | NULL); |
| 335 | gtk_tree_view_column_set_alignment (column, 0.0); |
| 336 | gtk_tree_view_column_set_fixed_width (column, 220); |
| 337 | gtk_tree_view_append_column (GTK_TREE_VIEW (disk_data->tree_v), column); |
| 338 | |
| 339 | renderer = gtk_cell_renderer_text_new (); |
| 340 | column = gtk_tree_view_column_new_with_attributes ("BytesRead/sec", |
| 341 | renderer, |
| 342 | "text", BYTES_RD_SEC_COLUMN, |
| 343 | NULL); |
| 344 | gtk_tree_view_column_set_alignment (column, 1.0); |
| 345 | gtk_tree_view_column_set_fixed_width (column, 220); |
| 346 | gtk_tree_view_append_column (GTK_TREE_VIEW (disk_data->tree_v), column); |
| 347 | |
| 348 | renderer = gtk_cell_renderer_text_new (); |
| 349 | column = gtk_tree_view_column_new_with_attributes ("NumReadOperations", |
| 350 | renderer, |
| 351 | "text",NUM_RD_COLUMN, |
| 352 | NULL); |
| 353 | gtk_tree_view_column_set_alignment (column, 1.0); |
| 354 | gtk_tree_view_column_set_fixed_width (column, 220); |
| 355 | gtk_tree_view_append_column (GTK_TREE_VIEW (disk_data->tree_v), column); |
| 356 | |
| 357 | renderer = gtk_cell_renderer_text_new (); |
| 358 | column = gtk_tree_view_column_new_with_attributes ("BytesWritten", |
| 359 | renderer, |
| 360 | "text", BYTES_WR_COLUMN, |
| 361 | NULL); |
| 362 | gtk_tree_view_column_set_alignment (column, 0.0); |
| 363 | gtk_tree_view_column_set_fixed_width (column, 145); |
| 364 | gtk_tree_view_append_column (GTK_TREE_VIEW (disk_data->tree_v), column); |
| 365 | |
| 366 | renderer = gtk_cell_renderer_text_new (); |
| 367 | column = gtk_tree_view_column_new_with_attributes ("BytesWritten/sec", |
| 368 | renderer, |
| 369 | "text", BYTES_WR_SEC_COLUMN, |
| 370 | NULL); |
| 371 | gtk_tree_view_column_set_alignment (column, 1.0); |
| 372 | gtk_tree_view_column_set_fixed_width (column, 220); |
| 373 | gtk_tree_view_append_column (GTK_TREE_VIEW (disk_data->tree_v), column); |
| 374 | |
| 375 | renderer = gtk_cell_renderer_text_new (); |
| 376 | column = gtk_tree_view_column_new_with_attributes ("NumWriteOperations", |
| 377 | renderer, |
| 378 | "text",NUM_WR_COLUMN, |
| 379 | NULL); |
| 380 | gtk_tree_view_column_set_alignment (column, 0.0); |
| 381 | gtk_tree_view_column_set_fixed_width (column, 145); |
| 382 | gtk_tree_view_append_column (GTK_TREE_VIEW (disk_data->tree_v), column); |
| 383 | |
| 384 | disk_data->select_c = gtk_tree_view_get_selection (GTK_TREE_VIEW (disk_data->tree_v)); |
| 385 | gtk_tree_selection_set_mode (disk_data->select_c, GTK_SELECTION_SINGLE); |
| 386 | |
| 387 | gtk_container_add (GTK_CONTAINER (disk_data->scroll_win), disk_data->tree_v); |
| 388 | |
| 389 | disk_data->hbox_v = gtk_hbox_new(0, 0); |
| 390 | gtk_box_pack_start(GTK_BOX(disk_data->hbox_v), disk_data->scroll_win, TRUE, TRUE, 0); |
| 391 | |
| 392 | gtk_widget_show(disk_data->hbox_v); |
| 393 | gtk_widget_show(disk_data->tree_v); |
| 394 | |
| 395 | |
| 396 | g_disk_data_list = g_slist_append(g_disk_data_list, disk_data); |
| 397 | g_object_set_data_full(G_OBJECT(disk_data->hbox_v), |
| 398 | "disk_data", |
| 399 | disk_data, |
| 400 | (GDestroyNotify)gui_disperformance_free); |
| 401 | |
| 402 | request_event(disk_data); |
| 403 | return disk_data; |
| 404 | } |
| 405 | |
| 406 | /** |
| 407 | * |
| 408 | * For each trace in the traceset, this function: |
| 409 | * - calls lttv_trace_find_hook() & registers a hook function to event_by_id_hooks |
| 410 | * - registers a callback function to each hook |
| 411 | * - calls lttvwindow_events_request() to request data in a specific |
| 412 | * time interval to the main window |
| 413 | * |
| 414 | */ |
| 415 | static void request_event(DiskPerformanceData *disk_performance) |
| 416 | { |
| 417 | guint i, k, l, nb_trace; |
| 418 | |
| 419 | GArray *hooks; |
| 420 | |
| 421 | guint ret; |
| 422 | |
| 423 | LttvTraceHook *hook; |
| 424 | |
| 425 | LttvTraceState *ts; |
| 426 | |
| 427 | LttvTraceHookByFacility *thf; |
| 428 | |
| 429 | LttvTracesetContext *tsc = lttvwindow_get_traceset_context(disk_performance->tab); |
| 430 | /* Get the traceset */ |
| 431 | LttvTraceset *traceset = tsc->ts; |
| 432 | |
| 433 | nb_trace = lttv_traceset_number(traceset); |
| 434 | |
| 435 | for(i = 0; i<MIN(TRACE_NUMBER+1, nb_trace);i++) |
| 436 | { |
| 437 | EventsRequest *events_request = g_new(EventsRequest, 1); |
| 438 | |
| 439 | hooks = g_array_new(FALSE, FALSE, sizeof(LttvTraceHook)); |
| 440 | |
| 441 | hooks = g_array_set_size(hooks, 2); |
| 442 | |
| 443 | /* Get a trace state */ |
| 444 | ts = (LttvTraceState *)tsc->traces[i]; |
| 445 | |
| 446 | disk_performance->event_by_id_hooks = lttv_hooks_by_id_new(); |
| 447 | /* Register event_by_id_hooks with a callback function */ |
| 448 | ret = lttv_trace_find_hook(ts->parent.t, |
| 449 | LTT_FACILITY_BLOCK, LTT_EVENT_BLOCK_READ, |
| 450 | 0, 0, 0, |
| 451 | block_read_callback, |
| 452 | disk_performance, |
| 453 | &g_array_index(hooks, LttvTraceHook, 0)); |
| 454 | |
| 455 | ret = lttv_trace_find_hook(ts->parent.t, |
| 456 | LTT_FACILITY_BLOCK, LTT_EVENT_BLOCK_WRITE, |
| 457 | 0, 0, 0, |
| 458 | block_write_callback, |
| 459 | disk_performance, |
| 460 | &g_array_index(hooks, LttvTraceHook, 1)); |
| 461 | |
| 462 | g_assert(!ret); |
| 463 | |
| 464 | /*iterate through the facility list*/ |
| 465 | for(k = 0 ; k < hooks->len; k++) |
| 466 | { |
| 467 | hook = &g_array_index(hooks, LttvTraceHook, k); |
| 468 | for(l=0; l<hook->fac_list->len; l++) |
| 469 | { |
| 470 | thf = g_array_index(hook->fac_list, LttvTraceHookByFacility*, l); |
| 471 | lttv_hooks_add(lttv_hooks_by_id_find(disk_performance->event_by_id_hooks, thf->id), |
| 472 | thf->h, |
| 473 | disk_performance, |
| 474 | LTTV_PRIO_DEFAULT); |
| 475 | |
| 476 | } |
| 477 | } |
| 478 | |
| 479 | disk_performance->hooks_trace_after = lttv_hooks_new(); |
| 480 | /* Registers a hook function */ |
| 481 | lttv_hooks_add(disk_performance->hooks_trace_after, disk_show, disk_performance, LTTV_PRIO_DEFAULT); |
| 482 | |
| 483 | disk_performance->hooks_trace_before = lttv_hooks_new(); |
| 484 | /* Registers a hook function */ |
| 485 | lttv_hooks_add(disk_performance->hooks_trace_before, trace_header, disk_performance, LTTV_PRIO_DEFAULT); |
| 486 | |
| 487 | /* Initalize the EventsRequest structure */ |
| 488 | events_request->owner = disk_performance; |
| 489 | events_request->viewer_data = disk_performance; |
| 490 | events_request->servicing = FALSE; |
| 491 | events_request->start_time = disk_performance->time_window.start_time; |
| 492 | events_request->start_position = NULL; |
| 493 | events_request->stop_flag = FALSE; |
| 494 | events_request->end_time = disk_performance->time_window.end_time; |
| 495 | events_request->num_events = G_MAXUINT; |
| 496 | events_request->end_position = NULL; |
| 497 | events_request->trace = i; |
| 498 | events_request->hooks = hooks; |
| 499 | events_request->before_chunk_traceset = NULL; |
| 500 | events_request->before_chunk_trace = disk_performance->hooks_trace_before; |
| 501 | events_request->before_chunk_tracefile= NULL; |
| 502 | events_request->event = NULL; |
| 503 | events_request->event_by_id = disk_performance->event_by_id_hooks; |
| 504 | events_request->after_chunk_tracefile = NULL; |
| 505 | events_request->after_chunk_trace = NULL; |
| 506 | events_request->after_chunk_traceset = NULL; |
| 507 | events_request->before_request = NULL; |
| 508 | events_request->after_request = disk_performance->hooks_trace_after; |
| 509 | |
| 510 | lttvwindow_events_request(disk_performance->tab, events_request); |
| 511 | } |
| 512 | |
| 513 | } |
| 514 | |
| 515 | /** |
| 516 | * This function is called whenever a read event occurs. |
| 517 | * |
| 518 | */ |
| 519 | static gboolean block_read_callback(void *hook_data, void *call_data) |
| 520 | { |
| 521 | LttEvent *e; |
| 522 | LttTime event_time; |
| 523 | unsigned cpu_id; |
| 524 | lttv_block block_read; |
| 525 | char *diskname; |
| 526 | |
| 527 | LttvTracefileContext *tfc = (LttvTracefileContext *)call_data; |
| 528 | LttvTracefileState *tfs = (LttvTracefileState *)call_data; |
| 529 | DiskPerformanceData *disk_performance = (DiskPerformanceData *)hook_data; |
| 530 | GArray *disk_array = disk_performance->disk_array; |
| 531 | e = ltt_tracefile_get_event(tfc->tf); |
| 532 | event_time = ltt_event_time(e); |
| 533 | cpu_id = ltt_event_cpu_id(e); |
| 534 | |
| 535 | get_event_detail(e, &block_read); |
| 536 | diskname = major_minor_to_diskname(&block_read); |
| 537 | sum_data(diskname, block_read.size,LTTV_READ_OPERATION, disk_array); |
| 538 | |
| 539 | return FALSE; |
| 540 | } |
| 541 | |
| 542 | /** |
| 543 | * This function is called whenever a write event occurs. |
| 544 | * |
| 545 | */ |
| 546 | static gboolean block_write_callback(void *hook_data, void *call_data) |
| 547 | { |
| 548 | LttEvent *e; |
| 549 | LttTime event_time; |
| 550 | unsigned cpu_id; |
| 551 | lttv_block block_write; |
| 552 | char *diskname; |
| 553 | LttvTracefileContext *tfc = (LttvTracefileContext *)call_data; |
| 554 | LttvTracefileState *tfs = (LttvTracefileState *)call_data; |
| 555 | DiskPerformanceData *disk_performance = (DiskPerformanceData *)hook_data; |
| 556 | GArray *disk_array = disk_performance->disk_array; |
| 557 | e = ltt_tracefile_get_event(tfc->tf); |
| 558 | event_time = ltt_event_time(e); |
| 559 | cpu_id = ltt_event_cpu_id(e); |
| 560 | |
| 561 | get_event_detail(e, &block_write); |
| 562 | diskname = major_minor_to_diskname(&block_write); |
| 563 | sum_data(diskname, block_write.size,LTTV_WRITE_OPERATION, disk_array); |
| 564 | |
| 565 | return FALSE; |
| 566 | } |
| 567 | |
| 568 | /** |
| 569 | * This function extracts the major, minor and size |
| 570 | * |
| 571 | */ |
| 572 | static void get_event_detail(LttEvent *e, lttv_block* disk_data) |
| 573 | { |
| 574 | guint i, num_fields; |
| 575 | LttEventType *event_type; |
| 576 | LttField *element; |
| 577 | LttField *field; |
| 578 | event_type = ltt_event_eventtype(e); |
| 579 | num_fields = ltt_eventtype_num_fields(event_type); |
| 580 | |
| 581 | for(i = 0 ; i < num_fields ; i++) |
| 582 | { |
| 583 | element = ltt_eventtype_field(event_type,i); |
| 584 | switch(i) |
| 585 | { |
| 586 | case 0: |
| 587 | disk_data->major_number = ltt_event_get_long_unsigned(e, element); |
| 588 | break; |
| 589 | |
| 590 | case 1: |
| 591 | disk_data->minor_number = ltt_event_get_long_unsigned(e, element); |
| 592 | break; |
| 593 | case 2: |
| 594 | disk_data->size = ltt_event_get_long_unsigned(e, element); |
| 595 | break; |
| 596 | } |
| 597 | |
| 598 | } |
| 599 | |
| 600 | } |
| 601 | |
| 602 | |
| 603 | |
| 604 | /** |
| 605 | * This function calculates: the number of operations, the total bytes read or written, |
| 606 | * the average number of bytes read or written by sec. |
| 607 | */ |
| 608 | static void sum_data(char* diskname, guint size, enum operation_t operation, GArray *disk_array) |
| 609 | { |
| 610 | |
| 611 | lttv_total_block data; |
| 612 | lttv_total_block *element; |
| 613 | guint i; |
| 614 | gboolean notFound = FALSE; |
| 615 | |
| 616 | memset ((void*)&data, 0,sizeof(lttv_total_block)); |
| 617 | |
| 618 | if(disk_array->len == NO_ITEMS){ |
| 619 | strcpy(data.diskname, diskname); |
| 620 | if(operation == LTTV_READ_OPERATION){ |
| 621 | data.total_bytes_read = size; |
| 622 | data.num_read_operations++; |
| 623 | } |
| 624 | else{ |
| 625 | data.total_bytes_written = size; |
| 626 | data.num_write_operations ++; |
| 627 | } |
| 628 | g_array_append_val (disk_array, data); |
| 629 | } |
| 630 | else{ |
| 631 | for(i = 0; i < disk_array->len; i++){ |
| 632 | element = &g_array_index(disk_array,lttv_total_block,i); |
| 633 | if(strcmp(element->diskname,diskname) == 0){ |
| 634 | if(operation == LTTV_READ_OPERATION){ |
| 635 | element->num_read_operations++; |
| 636 | element->total_bytes_read += size; |
| 637 | } |
| 638 | else{ |
| 639 | element->num_write_operations ++; |
| 640 | element->total_bytes_written += size; |
| 641 | } |
| 642 | notFound = TRUE; |
| 643 | } |
| 644 | } |
| 645 | if(!notFound){ |
| 646 | strcpy(data.diskname, diskname); |
| 647 | if(operation == LTTV_READ_OPERATION){ |
| 648 | data.total_bytes_read = size; |
| 649 | data.num_read_operations ++; |
| 650 | } |
| 651 | else{ |
| 652 | data.total_bytes_written = size; |
| 653 | data.num_write_operations ++; |
| 654 | } |
| 655 | g_array_append_val (disk_array, data); |
| 656 | } |
| 657 | } |
| 658 | } |
| 659 | |
| 660 | |
| 661 | static void destroy() |
| 662 | { |
| 663 | g_info("Destroy diskPerformance"); |
| 664 | g_slist_foreach(g_disk_data_list, disk_destroy_walk, NULL ); |
| 665 | g_slist_free(g_disk_data_list); |
| 666 | |
| 667 | lttvwindow_unregister_constructor(disk_performance); |
| 668 | |
| 669 | } |
| 670 | |
| 671 | /** |
| 672 | * This function convert the major and minor number to the corresponding disk. |
| 673 | * Data taken from Documentation/devices.txt of the kernel tree. |
| 674 | */ |
| 675 | static char * major_minor_to_diskname( lttv_block* disk_data) |
| 676 | { |
| 677 | switch(disk_data->major_number) |
| 678 | { |
| 679 | /* IDE Disks */ |
| 680 | case 3: /* First MFM, RLL and IDE hard disk/CD-ROM interface */ |
| 681 | if( (disk_data->minor_number >= 0) && (disk_data->minor_number < 64)) |
| 682 | return "/dev/hda"; |
| 683 | if((disk_data->minor_number >= 64) && (disk_data->minor_number < 128)) |
| 684 | return "/dev/hdb"; |
| 685 | break; |
| 686 | |
| 687 | case 22: /*Second IDE hard disk/CD-ROM interface */ |
| 688 | if( (disk_data->minor_number >= 0) && (disk_data->minor_number < 64)) |
| 689 | return "/dev/hdc"; |
| 690 | if((disk_data->minor_number >= 64) && (disk_data->minor_number < 128)) |
| 691 | return "/dev/hdd"; |
| 692 | break; |
| 693 | |
| 694 | case 33: /* Third IDE hard disk/CD-ROM interface */ |
| 695 | if( (disk_data->minor_number >= 0) && (disk_data->minor_number < 64)) |
| 696 | return "/dev/hde"; |
| 697 | if((disk_data->minor_number >= 64) && (disk_data->minor_number < 128)) |
| 698 | return "/dev/hdf"; |
| 699 | break; |
| 700 | |
| 701 | case 34: /* Fourth IDE hard disk/CD-ROM interface */ |
| 702 | if( (disk_data->minor_number >= 0) && (disk_data->minor_number < 64)) |
| 703 | return "/dev/hdg"; |
| 704 | if((disk_data->minor_number >= 64) && (disk_data->minor_number < 128)) |
| 705 | return "/dev/hdh"; |
| 706 | break; |
| 707 | |
| 708 | case 56: /* Fifth IDE hard disk/CD-ROM interface */ |
| 709 | if( (disk_data->minor_number >= 0) && (disk_data->minor_number < 64)) |
| 710 | return "/dev/hdi"; |
| 711 | if((disk_data->minor_number >= 64) && (disk_data->minor_number < 128)) |
| 712 | return "/dev/hdj"; |
| 713 | break; |
| 714 | |
| 715 | case 57: /* Sixth IDE hard disk/CD-ROM interface */ |
| 716 | if( (disk_data->minor_number >= 0) && (disk_data->minor_number < 64)) |
| 717 | return "/dev/hdk"; |
| 718 | if((disk_data->minor_number >= 64) && (disk_data->minor_number < 128)) |
| 719 | return "/dev/hdl"; |
| 720 | break; |
| 721 | |
| 722 | case 88: /* Seventh IDE hard disk/CD-ROM interface */ |
| 723 | if( (disk_data->minor_number >= 0) && (disk_data->minor_number < 64)) |
| 724 | return "/dev/hdm"; |
| 725 | if((disk_data->minor_number >= 64) && (disk_data->minor_number < 128)) |
| 726 | return "/dev/hdn"; |
| 727 | break; |
| 728 | |
| 729 | case 89: /* Eighth IDE hard disk/CD-ROM interface */ |
| 730 | if( (disk_data->minor_number >= 0) && (disk_data->minor_number < 64)) |
| 731 | return "/dev/hdo"; |
| 732 | if((disk_data->minor_number >= 64) && (disk_data->minor_number < 128)) |
| 733 | return "/dev/hdp"; |
| 734 | break; |
| 735 | |
| 736 | case 90: /* Ninth IDE hard disk/CD-ROM interface */ |
| 737 | if( (disk_data->minor_number >= 0) && (disk_data->minor_number < 64)) |
| 738 | return "/dev/hdq"; |
| 739 | if((disk_data->minor_number >= 64) && (disk_data->minor_number < 128)) |
| 740 | return "/dev/hdr"; |
| 741 | break; |
| 742 | |
| 743 | case 91: /* Tenth IDE hard disk/CD-ROM interface */ |
| 744 | if( (disk_data->minor_number >= 0) && (disk_data->minor_number < 64)) |
| 745 | return "/dev/hds"; |
| 746 | if((disk_data->minor_number >= 64) && (disk_data->minor_number < 128)) |
| 747 | return "/dev/hdt"; |
| 748 | break; |
| 749 | |
| 750 | /* SCSI Disks */ |
| 751 | case 8: /* SCSI disk devices */ |
| 752 | if( (disk_data->minor_number >= 0) && (disk_data->minor_number < 16)) |
| 753 | return "/dev/sda"; // First SCSI disk whole disk |
| 754 | |
| 755 | if((disk_data->minor_number >= 16) && (disk_data->minor_number < 32)) |
| 756 | return "/dev/sdb";// Second SCSI disk whole disk |
| 757 | |
| 758 | if((disk_data->minor_number >= 32) && (disk_data->minor_number < 48)) |
| 759 | return "/dev/sdc";// Third SCSI disk whole disk |
| 760 | |
| 761 | if((disk_data->minor_number >= 48) && (disk_data->minor_number < 64)) |
| 762 | return "/dev/sdd";// Fourth SCSI disk whole disk |
| 763 | |
| 764 | if((disk_data->minor_number >= 64) && (disk_data->minor_number < 80)) |
| 765 | return "/dev/sde";// Fifth SCSI disk whole disk |
| 766 | |
| 767 | if((disk_data->minor_number >= 80) && (disk_data->minor_number < 96)) |
| 768 | return "/dev/sdf";// Sixth SCSI disk whole disk |
| 769 | |
| 770 | if((disk_data->minor_number >= 96) && (disk_data->minor_number < 112)) |
| 771 | return "/dev/sdg";// seventh SCSI disk whole disk |
| 772 | |
| 773 | if((disk_data->minor_number >= 112) && (disk_data->minor_number < 128)) |
| 774 | return "/dev/sdh";// eighth SCSI disk whole disk |
| 775 | |
| 776 | if((disk_data->minor_number >= 128) && (disk_data->minor_number < 144)) |
| 777 | return "/dev/sdi";// 9th SCSI disk whole disk |
| 778 | |
| 779 | if((disk_data->minor_number >= 144) && (disk_data->minor_number < 160)) |
| 780 | return "/dev/sdj";// 10th SCSI disk whole disk |
| 781 | |
| 782 | if((disk_data->minor_number >= 160) && (disk_data->minor_number < 176)) |
| 783 | return "/dev/sdk";// 11th SCSI disk whole disk |
| 784 | |
| 785 | if((disk_data->minor_number >= 176) && (disk_data->minor_number < 192)) |
| 786 | return "/dev/sdl";// 12th SCSI disk whole disk |
| 787 | |
| 788 | if((disk_data->minor_number >= 192) && (disk_data->minor_number < 208)) |
| 789 | return "/dev/sdm";// 13th SCSI disk whole disk |
| 790 | |
| 791 | if((disk_data->minor_number >= 208) && (disk_data->minor_number < 224)) |
| 792 | return "/dev/sdn";// 14th SCSI disk whole disk |
| 793 | |
| 794 | if((disk_data->minor_number >= 224) && (disk_data->minor_number < 240)) |
| 795 | return "/dev/sdo";// 15th SCSI disk whole disk |
| 796 | |
| 797 | if((disk_data->minor_number >= 240) && (disk_data->minor_number < 256)) |
| 798 | return "/dev/sdp";// 16th SCSI disk whole disk |
| 799 | break; |
| 800 | |
| 801 | case 65: /* SCSI disk devices */ |
| 802 | if( (disk_data->minor_number >= 0) && (disk_data->minor_number < 16)) |
| 803 | return "/dev/sdq"; |
| 804 | |
| 805 | if((disk_data->minor_number >= 16) && (disk_data->minor_number < 32)) |
| 806 | return "/dev/sdr"; |
| 807 | |
| 808 | if((disk_data->minor_number >= 32) && (disk_data->minor_number < 48)) |
| 809 | return "/dev/sds"; |
| 810 | |
| 811 | if((disk_data->minor_number >= 48) && (disk_data->minor_number < 64)) |
| 812 | return "/dev/sdt"; |
| 813 | |
| 814 | if((disk_data->minor_number >= 64) && (disk_data->minor_number < 80)) |
| 815 | return "/dev/sdu"; |
| 816 | |
| 817 | if((disk_data->minor_number >= 80) && (disk_data->minor_number < 96)) |
| 818 | return "/dev/sdv"; |
| 819 | |
| 820 | if((disk_data->minor_number >= 96) && (disk_data->minor_number < 112)) |
| 821 | return "/dev/sdw"; |
| 822 | |
| 823 | if((disk_data->minor_number >= 112) && (disk_data->minor_number < 128)) |
| 824 | return "/dev/sdy"; |
| 825 | |
| 826 | if((disk_data->minor_number >= 128) && (disk_data->minor_number < 144)) |
| 827 | return "/dev/sdx"; |
| 828 | |
| 829 | if((disk_data->minor_number >= 144) && (disk_data->minor_number < 160)) |
| 830 | return "/dev/sdz"; |
| 831 | |
| 832 | if((disk_data->minor_number >= 160) && (disk_data->minor_number < 176)) |
| 833 | return "/dev/sdaa"; |
| 834 | |
| 835 | if((disk_data->minor_number >= 176) && (disk_data->minor_number < 192)) |
| 836 | return "/dev/sdab"; |
| 837 | |
| 838 | if((disk_data->minor_number >= 192) && (disk_data->minor_number < 208)) |
| 839 | return "/dev/sdac"; |
| 840 | |
| 841 | if((disk_data->minor_number >= 208) && (disk_data->minor_number < 224)) |
| 842 | return "/dev/sdad"; |
| 843 | |
| 844 | if((disk_data->minor_number >= 224) && (disk_data->minor_number < 240)) |
| 845 | return "/dev/sdae"; |
| 846 | |
| 847 | if((disk_data->minor_number >= 240) && (disk_data->minor_number < 256)) |
| 848 | return "/dev/sdaf"; |
| 849 | break; |
| 850 | |
| 851 | case 66: /* SCSI disk devices */ |
| 852 | if( (disk_data->minor_number >= 0) && (disk_data->minor_number < 16)) |
| 853 | return "/dev/sdag"; |
| 854 | |
| 855 | if((disk_data->minor_number >= 16) && (disk_data->minor_number < 32)) |
| 856 | return "/dev/sdah"; |
| 857 | |
| 858 | if((disk_data->minor_number >= 32) && (disk_data->minor_number < 48)) |
| 859 | return "/dev/sdai"; |
| 860 | |
| 861 | if((disk_data->minor_number >= 48) && (disk_data->minor_number < 64)) |
| 862 | return "/dev/sdaj"; |
| 863 | |
| 864 | if((disk_data->minor_number >= 64) && (disk_data->minor_number < 80)) |
| 865 | return "/dev/sdak"; |
| 866 | |
| 867 | if((disk_data->minor_number >= 80) && (disk_data->minor_number < 96)) |
| 868 | return "/dev/sdal"; |
| 869 | |
| 870 | if((disk_data->minor_number >= 96) && (disk_data->minor_number < 112)) |
| 871 | return "/dev/sdam"; |
| 872 | |
| 873 | if((disk_data->minor_number >= 112) && (disk_data->minor_number < 128)) |
| 874 | return "/dev/sdan"; |
| 875 | |
| 876 | if((disk_data->minor_number >= 128) && (disk_data->minor_number < 144)) |
| 877 | return "/dev/sdao"; |
| 878 | |
| 879 | if((disk_data->minor_number >= 144) && (disk_data->minor_number < 160)) |
| 880 | return "/dev/sdap"; |
| 881 | |
| 882 | if((disk_data->minor_number >= 160) && (disk_data->minor_number < 176)) |
| 883 | return "/dev/sdaq"; |
| 884 | |
| 885 | if((disk_data->minor_number >= 176) && (disk_data->minor_number < 192)) |
| 886 | return "/dev/sdar"; |
| 887 | |
| 888 | if((disk_data->minor_number >= 192) && (disk_data->minor_number < 208)) |
| 889 | return "/dev/sdas"; |
| 890 | |
| 891 | if((disk_data->minor_number >= 208) && (disk_data->minor_number < 224)) |
| 892 | return "/dev/sdat"; |
| 893 | |
| 894 | if((disk_data->minor_number >= 224) && (disk_data->minor_number < 240)) |
| 895 | return "/dev/sdau"; |
| 896 | |
| 897 | if((disk_data->minor_number >= 240) && (disk_data->minor_number < 256)) |
| 898 | return "/dev/sdav"; |
| 899 | break; |
| 900 | |
| 901 | |
| 902 | case 67: /* SCSI disk devices */ |
| 903 | if( (disk_data->minor_number >= 0) && (disk_data->minor_number < 16)) |
| 904 | return "/dev/sdaw"; |
| 905 | |
| 906 | if((disk_data->minor_number >= 16) && (disk_data->minor_number < 32)) |
| 907 | return "/dev/sdax"; |
| 908 | |
| 909 | if((disk_data->minor_number >= 32) && (disk_data->minor_number < 48)) |
| 910 | return "/dev/sday"; |
| 911 | |
| 912 | if((disk_data->minor_number >= 48) && (disk_data->minor_number < 64)) |
| 913 | return "/dev/sdaz"; |
| 914 | |
| 915 | if((disk_data->minor_number >= 64) && (disk_data->minor_number < 80)) |
| 916 | return "/dev/sdba"; |
| 917 | |
| 918 | if((disk_data->minor_number >= 80) && (disk_data->minor_number < 96)) |
| 919 | return "/dev/sdbb"; |
| 920 | |
| 921 | if((disk_data->minor_number >= 96) && (disk_data->minor_number < 112)) |
| 922 | return "/dev/sdbc"; |
| 923 | |
| 924 | if((disk_data->minor_number >= 112) && (disk_data->minor_number < 128)) |
| 925 | return "/dev/sdbd"; |
| 926 | |
| 927 | if((disk_data->minor_number >= 128) && (disk_data->minor_number < 144)) |
| 928 | return "/dev/sdbe"; |
| 929 | |
| 930 | if((disk_data->minor_number >= 144) && (disk_data->minor_number < 160)) |
| 931 | return "/dev/sdbf"; |
| 932 | |
| 933 | if((disk_data->minor_number >= 160) && (disk_data->minor_number < 176)) |
| 934 | return "/dev/sdbg"; |
| 935 | |
| 936 | if((disk_data->minor_number >= 176) && (disk_data->minor_number < 192)) |
| 937 | return "/dev/sdbh"; |
| 938 | |
| 939 | if((disk_data->minor_number >= 192) && (disk_data->minor_number < 208)) |
| 940 | return "/dev/sdbi"; |
| 941 | |
| 942 | if((disk_data->minor_number >= 208) && (disk_data->minor_number < 224)) |
| 943 | return "/dev/sdbj"; |
| 944 | |
| 945 | if((disk_data->minor_number >= 224) && (disk_data->minor_number < 240)) |
| 946 | return "/dev/sdbk"; |
| 947 | |
| 948 | if((disk_data->minor_number >= 240) && (disk_data->minor_number < 256)) |
| 949 | return "/dev/sdbl"; |
| 950 | break; |
| 951 | |
| 952 | case 68 : /* SCSI disk devices */ |
| 953 | if( (disk_data->minor_number >= 0) && (disk_data->minor_number < 16)) |
| 954 | return "/dev/sdbm"; |
| 955 | |
| 956 | if((disk_data->minor_number >= 16) && (disk_data->minor_number < 32)) |
| 957 | return "/dev/sdbm"; |
| 958 | |
| 959 | if((disk_data->minor_number >= 32) && (disk_data->minor_number < 48)) |
| 960 | return "/dev/sdbo"; |
| 961 | |
| 962 | if((disk_data->minor_number >= 48) && (disk_data->minor_number < 64)) |
| 963 | return "/dev/sdbp"; |
| 964 | |
| 965 | if((disk_data->minor_number >= 64) && (disk_data->minor_number < 80)) |
| 966 | return "/dev/sdbq"; |
| 967 | |
| 968 | if((disk_data->minor_number >= 80) && (disk_data->minor_number < 96)) |
| 969 | return "/dev/sdbr"; |
| 970 | |
| 971 | if((disk_data->minor_number >= 96) && (disk_data->minor_number < 112)) |
| 972 | return "/dev/sdbs"; |
| 973 | |
| 974 | if((disk_data->minor_number >= 112) && (disk_data->minor_number < 128)) |
| 975 | return "/dev/sdbt"; |
| 976 | |
| 977 | if((disk_data->minor_number >= 128) && (disk_data->minor_number < 144)) |
| 978 | return "/dev/sdbu"; |
| 979 | |
| 980 | if((disk_data->minor_number >= 144) && (disk_data->minor_number < 160)) |
| 981 | return "/dev/sdbv"; |
| 982 | |
| 983 | if((disk_data->minor_number >= 160) && (disk_data->minor_number < 176)) |
| 984 | return "/dev/sdbw"; |
| 985 | |
| 986 | if((disk_data->minor_number >= 176) && (disk_data->minor_number < 192)) |
| 987 | return "/dev/sdbx"; |
| 988 | |
| 989 | if((disk_data->minor_number >= 192) && (disk_data->minor_number < 208)) |
| 990 | return "/dev/sdby"; |
| 991 | |
| 992 | if((disk_data->minor_number >= 208) && (disk_data->minor_number < 224)) |
| 993 | return "/dev/sdbz"; |
| 994 | |
| 995 | if((disk_data->minor_number >= 224) && (disk_data->minor_number < 240)) |
| 996 | return "/dev/sdca"; |
| 997 | |
| 998 | if((disk_data->minor_number >= 240) && (disk_data->minor_number < 256)) |
| 999 | return "/dev/sdcb"; |
| 1000 | break; |
| 1001 | case 69 : /* SCSI disk devices */ |
| 1002 | if( (disk_data->minor_number >= 0) && (disk_data->minor_number < 16)) |
| 1003 | return "/dev/sdcc"; |
| 1004 | |
| 1005 | if((disk_data->minor_number >= 16) && (disk_data->minor_number < 32)) |
| 1006 | return "/dev/sdcd"; |
| 1007 | |
| 1008 | if((disk_data->minor_number >= 32) && (disk_data->minor_number < 48)) |
| 1009 | return "/dev/sdce"; |
| 1010 | |
| 1011 | if((disk_data->minor_number >= 48) && (disk_data->minor_number < 64)) |
| 1012 | return "/dev/sdcf"; |
| 1013 | |
| 1014 | if((disk_data->minor_number >= 64) && (disk_data->minor_number < 80)) |
| 1015 | return "/dev/sdcg"; |
| 1016 | |
| 1017 | if((disk_data->minor_number >= 80) && (disk_data->minor_number < 96)) |
| 1018 | return "/dev/sdch"; |
| 1019 | |
| 1020 | if((disk_data->minor_number >= 96) && (disk_data->minor_number < 112)) |
| 1021 | return "/dev/sdci"; |
| 1022 | |
| 1023 | if((disk_data->minor_number >= 112) && (disk_data->minor_number < 128)) |
| 1024 | return "/dev/sdcj"; |
| 1025 | |
| 1026 | if((disk_data->minor_number >= 128) && (disk_data->minor_number < 144)) |
| 1027 | return "/dev/sdck"; |
| 1028 | |
| 1029 | if((disk_data->minor_number >= 144) && (disk_data->minor_number < 160)) |
| 1030 | return "/dev/sdcl"; |
| 1031 | |
| 1032 | if((disk_data->minor_number >= 160) && (disk_data->minor_number < 176)) |
| 1033 | return "/dev/sdcm"; |
| 1034 | |
| 1035 | if((disk_data->minor_number >= 176) && (disk_data->minor_number < 192)) |
| 1036 | return "/dev/sdcn"; |
| 1037 | |
| 1038 | if((disk_data->minor_number >= 192) && (disk_data->minor_number < 208)) |
| 1039 | return "/dev/sdco"; |
| 1040 | |
| 1041 | if((disk_data->minor_number >= 208) && (disk_data->minor_number < 224)) |
| 1042 | return "/dev/sdcp"; |
| 1043 | |
| 1044 | if((disk_data->minor_number >= 224) && (disk_data->minor_number < 240)) |
| 1045 | return "/dev/sdcq"; |
| 1046 | |
| 1047 | if((disk_data->minor_number >= 240) && (disk_data->minor_number < 256)) |
| 1048 | return "/dev/sdcr"; |
| 1049 | break; |
| 1050 | |
| 1051 | |
| 1052 | case 70 : /* SCSI disk devices */ |
| 1053 | if( (disk_data->minor_number >= 0) && (disk_data->minor_number < 16)) |
| 1054 | return "/dev/sdcs"; |
| 1055 | |
| 1056 | if((disk_data->minor_number >= 16) && (disk_data->minor_number < 32)) |
| 1057 | return "/dev/sdct"; |
| 1058 | |
| 1059 | if((disk_data->minor_number >= 32) && (disk_data->minor_number < 48)) |
| 1060 | return "/dev/sdcu"; |
| 1061 | |
| 1062 | if((disk_data->minor_number >= 48) && (disk_data->minor_number < 64)) |
| 1063 | return "/dev/sdcv"; |
| 1064 | |
| 1065 | if((disk_data->minor_number >= 64) && (disk_data->minor_number < 80)) |
| 1066 | return "/dev/sdcw"; |
| 1067 | |
| 1068 | if((disk_data->minor_number >= 80) && (disk_data->minor_number < 96)) |
| 1069 | return "/dev/sdcx"; |
| 1070 | |
| 1071 | if((disk_data->minor_number >= 96) && (disk_data->minor_number < 112)) |
| 1072 | return "/dev/sdcy"; |
| 1073 | |
| 1074 | if((disk_data->minor_number >= 112) && (disk_data->minor_number < 128)) |
| 1075 | return "/dev/sdcz"; |
| 1076 | |
| 1077 | if((disk_data->minor_number >= 128) && (disk_data->minor_number < 144)) |
| 1078 | return "/dev/sdda"; |
| 1079 | |
| 1080 | if((disk_data->minor_number >= 144) && (disk_data->minor_number < 160)) |
| 1081 | return "/dev/sddb"; |
| 1082 | |
| 1083 | if((disk_data->minor_number >= 160) && (disk_data->minor_number < 176)) |
| 1084 | return "/dev/sddc"; |
| 1085 | |
| 1086 | if((disk_data->minor_number >= 176) && (disk_data->minor_number < 192)) |
| 1087 | return "/dev/sddd"; |
| 1088 | |
| 1089 | if((disk_data->minor_number >= 192) && (disk_data->minor_number < 208)) |
| 1090 | return "/dev/sdde"; |
| 1091 | |
| 1092 | if((disk_data->minor_number >= 208) && (disk_data->minor_number < 224)) |
| 1093 | return "/dev/sddf"; |
| 1094 | |
| 1095 | if((disk_data->minor_number >= 224) && (disk_data->minor_number < 240)) |
| 1096 | return "/dev/sddg"; |
| 1097 | |
| 1098 | if((disk_data->minor_number >= 240) && (disk_data->minor_number < 256)) |
| 1099 | return "/dev/sddh"; |
| 1100 | break; |
| 1101 | |
| 1102 | case 71: /* SCSI disk devices */ |
| 1103 | if( (disk_data->minor_number >= 0) && (disk_data->minor_number < 16)) |
| 1104 | return "/dev/sddi"; |
| 1105 | |
| 1106 | if((disk_data->minor_number >= 16) && (disk_data->minor_number < 32)) |
| 1107 | return "/dev/sddj"; |
| 1108 | |
| 1109 | if((disk_data->minor_number >= 32) && (disk_data->minor_number < 48)) |
| 1110 | return "/dev/sddk"; |
| 1111 | |
| 1112 | if((disk_data->minor_number >= 48) && (disk_data->minor_number < 64)) |
| 1113 | return "/dev/sddl"; |
| 1114 | |
| 1115 | if((disk_data->minor_number >= 64) && (disk_data->minor_number < 80)) |
| 1116 | return "/dev/sddm"; |
| 1117 | |
| 1118 | if((disk_data->minor_number >= 80) && (disk_data->minor_number < 96)) |
| 1119 | return "/dev/sddn"; |
| 1120 | |
| 1121 | if((disk_data->minor_number >= 96) && (disk_data->minor_number < 112)) |
| 1122 | return "/dev/sddo"; |
| 1123 | |
| 1124 | if((disk_data->minor_number >= 112) && (disk_data->minor_number < 128)) |
| 1125 | return "/dev/sddp"; |
| 1126 | |
| 1127 | if((disk_data->minor_number >= 128) && (disk_data->minor_number < 144)) |
| 1128 | return "/dev/sddq"; |
| 1129 | |
| 1130 | if((disk_data->minor_number >= 144) && (disk_data->minor_number < 160)) |
| 1131 | return "/dev/sddr"; |
| 1132 | |
| 1133 | if((disk_data->minor_number >= 160) && (disk_data->minor_number < 176)) |
| 1134 | return "/dev/sdds"; |
| 1135 | |
| 1136 | if((disk_data->minor_number >= 176) && (disk_data->minor_number < 192)) |
| 1137 | return "/dev/sddt"; |
| 1138 | |
| 1139 | if((disk_data->minor_number >= 192) && (disk_data->minor_number < 208)) |
| 1140 | return "/dev/sddu"; |
| 1141 | |
| 1142 | if((disk_data->minor_number >= 208) && (disk_data->minor_number < 224)) |
| 1143 | return "/dev/sddv"; |
| 1144 | |
| 1145 | if((disk_data->minor_number >= 224) && (disk_data->minor_number < 240)) |
| 1146 | return "/dev/sddw"; |
| 1147 | |
| 1148 | if((disk_data->minor_number >= 240) && (disk_data->minor_number < 256)) |
| 1149 | return "/dev/sddx"; |
| 1150 | break; |
| 1151 | |
| 1152 | case 128: /* SCSI disk devices */ |
| 1153 | if( (disk_data->minor_number >= 0) && (disk_data->minor_number < 16)) |
| 1154 | return "/dev/sddy"; |
| 1155 | |
| 1156 | if((disk_data->minor_number >= 16) && (disk_data->minor_number < 32)) |
| 1157 | return "/dev/sddz"; |
| 1158 | |
| 1159 | if((disk_data->minor_number >= 32) && (disk_data->minor_number < 48)) |
| 1160 | return "/dev/sdea"; |
| 1161 | |
| 1162 | if((disk_data->minor_number >= 48) && (disk_data->minor_number < 64)) |
| 1163 | return "/dev/sdeb"; |
| 1164 | |
| 1165 | if((disk_data->minor_number >= 64) && (disk_data->minor_number < 80)) |
| 1166 | return "/dev/sdec"; |
| 1167 | |
| 1168 | if((disk_data->minor_number >= 80) && (disk_data->minor_number < 96)) |
| 1169 | return "/dev/sded"; |
| 1170 | |
| 1171 | if((disk_data->minor_number >= 96) && (disk_data->minor_number < 112)) |
| 1172 | return "/dev/sdee"; |
| 1173 | |
| 1174 | if((disk_data->minor_number >= 112) && (disk_data->minor_number < 128)) |
| 1175 | return "/dev/sdef"; |
| 1176 | |
| 1177 | if((disk_data->minor_number >= 128) && (disk_data->minor_number < 144)) |
| 1178 | return "/dev/sdeg"; |
| 1179 | |
| 1180 | if((disk_data->minor_number >= 144) && (disk_data->minor_number < 160)) |
| 1181 | return "/dev/sdeh"; |
| 1182 | |
| 1183 | if((disk_data->minor_number >= 160) && (disk_data->minor_number < 176)) |
| 1184 | return "/dev/sdei"; |
| 1185 | |
| 1186 | if((disk_data->minor_number >= 176) && (disk_data->minor_number < 192)) |
| 1187 | return "/dev/sdej"; |
| 1188 | |
| 1189 | if((disk_data->minor_number >= 192) && (disk_data->minor_number < 208)) |
| 1190 | return "/dev/sdek"; |
| 1191 | |
| 1192 | if((disk_data->minor_number >= 208) && (disk_data->minor_number < 224)) |
| 1193 | return "/dev/sdel"; |
| 1194 | |
| 1195 | if((disk_data->minor_number >= 224) && (disk_data->minor_number < 240)) |
| 1196 | return "/dev/sdem"; |
| 1197 | |
| 1198 | if((disk_data->minor_number >= 240) && (disk_data->minor_number < 256)) |
| 1199 | return "/dev/sden"; |
| 1200 | break; |
| 1201 | |
| 1202 | case 129: /* SCSI disk devices */ |
| 1203 | if( (disk_data->minor_number >= 0) && (disk_data->minor_number < 16)) |
| 1204 | return "/dev/sdeo"; |
| 1205 | |
| 1206 | if((disk_data->minor_number >= 16) && (disk_data->minor_number < 32)) |
| 1207 | return "/dev/sdep"; |
| 1208 | |
| 1209 | if((disk_data->minor_number >= 32) && (disk_data->minor_number < 48)) |
| 1210 | return "/dev/sdeq"; |
| 1211 | |
| 1212 | if((disk_data->minor_number >= 48) && (disk_data->minor_number < 64)) |
| 1213 | return "/dev/sder"; |
| 1214 | |
| 1215 | if((disk_data->minor_number >= 64) && (disk_data->minor_number < 80)) |
| 1216 | return "/dev/sdes"; |
| 1217 | |
| 1218 | if((disk_data->minor_number >= 80) && (disk_data->minor_number < 96)) |
| 1219 | return "/dev/sdet"; |
| 1220 | |
| 1221 | if((disk_data->minor_number >= 96) && (disk_data->minor_number < 112)) |
| 1222 | return "/dev/sdeu"; |
| 1223 | |
| 1224 | if((disk_data->minor_number >= 112) && (disk_data->minor_number < 128)) |
| 1225 | return "/dev/sdev"; |
| 1226 | |
| 1227 | if((disk_data->minor_number >= 128) && (disk_data->minor_number < 144)) |
| 1228 | return "/dev/sdew"; |
| 1229 | |
| 1230 | if((disk_data->minor_number >= 144) && (disk_data->minor_number < 160)) |
| 1231 | return "/dev/sdez"; |
| 1232 | |
| 1233 | if((disk_data->minor_number >= 160) && (disk_data->minor_number < 176)) |
| 1234 | return "/dev/sdey"; |
| 1235 | |
| 1236 | if((disk_data->minor_number >= 176) && (disk_data->minor_number < 192)) |
| 1237 | return "/dev/sdez"; |
| 1238 | |
| 1239 | if((disk_data->minor_number >= 192) && (disk_data->minor_number < 208)) |
| 1240 | return "/dev/sdfa"; |
| 1241 | |
| 1242 | if((disk_data->minor_number >= 208) && (disk_data->minor_number < 224)) |
| 1243 | return "/dev/sdfb"; |
| 1244 | |
| 1245 | if((disk_data->minor_number >= 224) && (disk_data->minor_number < 240)) |
| 1246 | return "/dev/sdfc"; |
| 1247 | |
| 1248 | if((disk_data->minor_number >= 240) && (disk_data->minor_number < 256)) |
| 1249 | return "/dev/sdfd"; |
| 1250 | break; |
| 1251 | /*USB block devices*/ |
| 1252 | case 180: |
| 1253 | if( (disk_data->minor_number >= 0) && (disk_data->minor_number < 8)) |
| 1254 | return "/dev/uba"; |
| 1255 | if( (disk_data->minor_number >= 8) && (disk_data->minor_number < 16)) |
| 1256 | return "/dev/ubb"; |
| 1257 | if( (disk_data->minor_number >= 16) && (disk_data->minor_number < 24)) |
| 1258 | return "/dev/ubc"; |
| 1259 | break; |
| 1260 | |
| 1261 | } |
| 1262 | |
| 1263 | |
| 1264 | } |
| 1265 | LTTV_MODULE("diskperformance", "disk info view", \ |
| 1266 | "Produce disk I/O performance", \ |
| 1267 | init, destroy, "lttvwindow") |
| 1268 | |